In this video, we discuss and show Yamaha YB100 carburetor complete adjustment according to factory settings.
According to Haynes workshop manual, pilot jet is 25 and main jet is 115. But in Pakistan, Japan launched the bike with different carb specs like pilot jet 17.5 and main jet 150.

Carburetor model: MIKUNI VM20SC
Float height: 20-21mm
Needle circlip position: 3rd groove
Air/Fuel mixture screw: 1.5 turns (360 degree)
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